U.S. Homeland Security Secretary John Kelly, left, looks at Mexico's Interior Secretary Miguel Angel Osorio Chong as he gives a statement to the press after Kelly's visit in Mexico City . Kelly arrived to Mexico on Wednesday and met with President Enrique Pena Nieto before the Mexican leader departed for France ahead of the Group of 20 summit in Germany. Late Thursday Kelly accompanied military leaders to the southern state of Guerrero, one of the country's primary opium-producing states
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